参数资料
型号: MSP430FR5729IRHA
厂商: TEXAS INSTRUMENTS INC
元件分类: 微控制器/微处理器
英文描述: 16-BIT, 24 MHz, RISC MICROCONTROLLER, PQCC40
封装: PLASTIC, VQFN-40
文件页数: 18/76页
文件大小: 1059K
代理商: MSP430FR5729IRHA
PRODUCTPREVIEW
MSP430FR573x
MSP430FR572x
SLAS639
– APRIL 2011
DMA Controller
The DMA controller allows movement of data from one memory address to another without CPU intervention. For
example, the DMA controller can be used to move data from the ADC10_B conversion memory to RAM. Using
the DMA controller can increase the throughput of peripheral modules. The DMA controller reduces system
power consumption by allowing the CPU to remain in sleep mode, without having to awaken to move data to or
from a peripheral.
Table 10. DMA Trigger Assignments(1)
Trigger
Channel 0
Channel 1
Channel 2
0
DMAREQ
1
TA0CCR0 CCIFG
2
TA0CCR2 CCIFG
3
TA1CCR0 CCIFG
4
TA1CCR2 CCIFG
5
Reserved
6
Reserved
7
TB0CCR0 CCIFG
8
TB0CCR2 CCIFG
9
TB1CCR0 CCIFG(2)
10
TB1CCR2 CCIFG(2)
11
TB2CCR0 CCIFG(3)
12
TB2CCR2 CCIFG(3)
13
Reserved
14
UCA0RXIFG
15
UCA0TXIFG
16
UCA1RXIFG(4)
17
UCA1TXIFG(4)
18
UCB0RXIFG0
19
UCB0TXIFG0
20
UCB0RXIFG1
21
UCB0TXIFG1
22
UCB0RXIFG2
23
UCB0TXIFG2
24
UCB0RXIFG3
25
UCB0TXIFG3
26
ADC10IFGx(5)
27
Reserved
28
Reserved
29
MPY ready
30
DMA2IFG
DMA0IFG
DMA1IFG
31
DMAE0
(1)
If a reserved trigger source is selected, no trigger is generated.
(2)
Only on devices with TB1, otherwise reserved.
(3)
Only on devices with TB2, otherwise reserved.
(4)
Only on devices with eUSCI_A1, otherwise reserved.
(5)
Only on devices with ADC. Reserved on devices without ADC.
Copyright
2011, Texas Instruments Incorporated
25
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